Granted Patent
Utility
US 4,776,770 · App. 07/131,990
Variable capacity vane compressor
Inventors:
Nobuyuki Nakajima, Kenichi Inomata, Shigeru Okada, Kazuo Eitai, Masaya Moruta, Toshio Yamaguchi
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Dec 11, 1987
Inventors
Nobuyuki Nakajima
Kenichi Inomata
Shigeru Okada
Kazuo Eitai
Masaya Moruta
Toshio Yamaguchi
Assignee (at issue)
Diesel Kiki Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.